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Cheap Flights from Colombo to Siem Reap Angkor

Compare Colombo to Siem Reap Angkor flight deals

Find the cheapest month or even day of the year to fly to Siem Reap Angkor

Book the best Siem Reap Angkor fare with no extra fees

Flight deals from Colombo to Siem Reap Angkor

Looking for a cheap last-minute deal or the best round-trip flight from Colombo to Siem Reap Angkor Airport? If you want to travel next month, round-trip fares start from AED 1,940. Find the lowest prices on one-way and round-trip tickets right here.
Siem Reap.AED 881 per passenger.Departing Mon, Jul 27.One-way flight with AirAsia.Outbound indirect flight with AirAsia, departing from Colombo Bandaranayake on Mon, Jul 27, arriving in Siem Reap Angkor.Price includes taxes and charges.From AED 881, select.
Siem Reap.AED 888 per passenger.Departing Sat, Oct 31.One-way flight with AirAsia.Outbound indirect flight with AirAsia, departing from Colombo Bandaranayake on Sat, Oct 31, arriving in Siem Reap Angkor.Price includes taxes and charges.From AED 888, select.
Siem Reap.AED 905 per passenger.Departing Sun, Aug 9.One-way flight with AirAsia.Outbound indirect flight with AirAsia, departing from Colombo Bandaranayake on Sun, Aug 9, arriving in Siem Reap Angkor.Price includes taxes and charges.From AED 905, select.
Siem Reap.AED 906 per passenger.Departing Sun, May 24.One-way flight with AirAsia.Outbound indirect flight with AirAsia, departing from Colombo Bandaranayake on Sun, May 24, arriving in Siem Reap Angkor.Price includes taxes and charges.From AED 906, select.
Siem Reap.AED 920 per passenger.Departing Wed, Jun 10.One-way flight with AirAsia.Outbound indirect flight with AirAsia, departing from Colombo Bandaranayake on Wed, Jun 10, arriving in Siem Reap Angkor.Price includes taxes and charges.From AED 920, select.
Siem Reap.AED 935 per passenger.Departing Sun, Apr 26.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departing from Colombo Bandaranayake on Sun, Apr 26, arriving in Siem Reap Angkor.Price includes taxes and charges.From AED 935, select.
Siem Reap.AED 948 per passenger.Departing Fri, Jan 22.One-way flight with AirAsia.Outbound indirect flight with AirAsia, departing from Colombo Bandaranayake on Fri, Jan 22, arriving in Siem Reap Angkor.Price includes taxes and charges.From AED 948, select.
Siem Reap.AED 1,110 per passenger.Departing Tue, Mar 9.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departing from Colombo Bandaranayake on Tue, Mar 9, arriving in Siem Reap Angkor.Price includes taxes and charges.From AED 1,110, select.
Siem Reap.AED 1,146 per passenger.Departing Fri, Dec 4.One-way flight with AirAsia.Outbound indirect flight with AirAsia, departing from Colombo Bandaranayake on Fri, Dec 4, arriving in Siem Reap Angkor.Price includes taxes and charges.From AED 1,146, select.

Find the cheapest month to fly from Colombo to Siem Reap Angkor

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Colombo to Siem Reap Angkor flights are currently cheapest in July.
Apr
from AED 935
May
from AED 906
Jun
from AED 920
Jul
from AED 881
Aug
from AED 905
Sep
Find prices
Oct
from AED 888
Nov
Find prices
Dec
from AED 1,146
Jan
from AED 948
Feb
Find prices
Mar
from AED 1,110

Colombo to Siem Reap Angkor: Alternative routes

Compare routes from Colombo to Siem Reap below. You may find an airport to fly into that's cheaper, faster, or easier than Siem Reap Angkor.

Siem Reap Angkor

41km from central Siem Reap
ClosestCheapest
from AED 881
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Colombo to Siem Reap: Flight information

The things to know before you go.
Cheapest flight foundAED 881
Cheapest month to flyJuly

Finding cheap flights from Colombo to Siem Reap Angkor: Frequently asked questions

The best price we found for a round-trip flight from Colombo to Siem Reap Angkor is AED 1,739. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Colombo to Siem Reap Angkor. But we found flights with one stop from AED 1,739.
There are no flights flying from Colombo to Siem Reap Angkor, as of April 2026.
The cheapest month to fly from Colombo to Siem Reap Angkor is usually August.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Colombo to Siem Reap Angkor Airport on Friday, August 14, 2026.
No airlines currently offer direct flights between Colombo and Siem Reap Angkor Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Siem Reap Angkor but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Siem Reap is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Siem Reap Angkor is AirAsia.

Flying from Colombo to Siem Reap Angkor Airport (SAI): What you need to know

  • Siem Reap is one hour 30 minutes ahead of Colombo. Siem Reap Angkor Airport is located in Siem Reap, which follows the UTC+7 timezone.

  • For stress-free travel, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you plenty of time to catch your flight from Colombo to SAI.

  • During popular months such as February, it's a good idea to get to the airport well in advance. Arrive two hours before domestic departures and four hours ahead of an international flight whenever you're traveling during high season in general.

Airports in Colombo

Colombo Bandaranaike International Airport (CMB)

  • Consider adding a stopover to find cheap flights from Colombo to SAI. Simply deselect 'Direct flights only' when browsing departures from Colombo Bandaranaike International Airport (CMB). Slip in a stop (and skip the high fares) by flying through one of these airports:

    • Kuala Lumpur International Airport (KUL)

    • Bangkok Suvarnabhumi International Airport (BKK)

    • Singapore Changi Airport (SIN)

  • CMB is about 32 kilometers from central Colombo. If you're ride-sharing, driving or catching a cab from the center, it'll take you 40 minutes or so to get there, depending on traffic conditions. If you're planning to take public transport, expect the travel time to be around 50 minutes.

  • Want a hassle-free start to your vacation? Stay near Colombo Bandaranaike International Airport. Whether you're boarding an early flight from Colombo to Siem Reap Angkor Airport or just don't like being rushed, these hotels offer the perfect solution:

  • Of all flights departing from Colombo Bandaranaike International Airport, 74% arrive on time at their destination.

About Siem Reap Angkor Airport (SAI)

  • After your flight from Colombo to Siem Reap Angkor Airport has landed, kick back at a hotel close by. Chansor Community Homestay 18 is a great option that's not too far from SAI.

Getting from Siem Reap Angkor Airport (SAI) to central Siem Reap

  • The center of Siem Reap is roughly 40 kilometers from Siem Reap Angkor Airport. Travel times by car rental or cab will vary depending on traffic conditions and time of day, so do some research ahead of time.

  • It'll take around 25 minutes if you're traveling by public transport.

How to find the cheapest flights from Colombo to Siem Reap Angkor Airport (SAI)

  • AED 881 is the best price for a one-way ticket from Colombo to Siem Reap Angkor Airport. Return flights start from AED 1,739. These prices may change depending on demand and availability.

  • Don't wait until the last minute. You're more likely to walk away with cheap flights from Colombo to SAI if you book in advance. Airlines often have some fantastic early bird discounts.

  • The 'Whole month' search tool shows you the cheapest Colombo to Siem Reap Angkor Airport tickets across the month. It's a great way to find a bargain if your trip dates are flexible.

  • Locking in a cheap plane ticket from Colombo to SAI is easy with Price Alerts. Simply set up one of these automatic alerts and we'll let you know as soon as there's a better deal.

  • Filters make it easier to snap up a deal on your flight from Colombo to Siem Reap Angkor Airport. Pick the departure times, airlines and number of stops that work for you. Then sort the results by 'Cheapest' to find the lowest price right away.

The best time to fly from Colombo to Siem Reap Angkor Airport (SAI)

  • It's time to decide when to book your flight from Colombo to Siem Reap Angkor Airport (SAI). January is the peak month for travel to Siem Reap. If crowds aren't your thing, think about going in October.

  • When booking your Colombo to SAI plane ticket, consider what kind of weather you prefer. March is the warmest month in Siem Reap, with temperatures ranging from 22ºC (72ºF) to 38ºC (100ºF).

  • If you'd rather travel in cooler conditions, look for a cheap ticket from Colombo to Siem Reap Angkor Airport in January when temperatures are between 18ºC (64ºF) and 33ºC (91ºF).

More about Siem Reap

Explore more of Cambodia

  • Siem Reap has plenty to offer, but there are so many other corners of Cambodia you should also see. Around 209 kilometers south of Siem Reap, a trip to Phnom Penh will keep you busy. Start with leading sights like Royal Palace, Genocide museum and Moonlight Pavilion.

  • Head 225 kilometers south from Siem Reap to reach Ta Khmau, another favorite stop in Cambodia. No trip is complete without seeing Statue of Ta Khmau and AV.

Plan the rest of your trip from Colombo to Siem Reap

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.